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SUPPLEMENTARY SYSTEM COMPONENTS
The Allegiant accessory products provide many
optional features to the base system. A brief
description of accessory products is provided below.
Complete specification information can be found in
their respective product data sheets. All accessory
products are designed to be compatible, where
applicable, throughout the Allegiant series.
TC8550A System Keyboard
Full function system keyboard used for system
control, programming, and pan/tilt/zoom operation.
Includes integral pan/tilt joystick and zoom lens
controls. Up to 8 keyboards are permitted on the
TC8500 system. The TC8600 can accommodate up
to 16. TC8800 systems can accommodate up to 32
keyboards.
In
TC8600
keyboards above 8 are connected to the systems
using TC8714A/TC8715A keyboard port expander
accessory units described below.
TC8551A & TC8554
System Keyboards
These are function keyboards similar to the TC8550A
except
they
contain
nonprotruding push buttons instead of a joystick for
control over any pan/tilt equipped camera sites.
TC8553 & TC8555 System
Keyboards
These are function keyboards similar to the TC8550A
except they contain a proportional joystick for
controlling the variable speed pan/tilt functions of the
AutoDome series of integral pan/tilt/zoom/camera
domes. Rotation of the joystick also provides control
over the lens's zoom functions.
TC8553-232 System Keyboard
The TC8553-232 is a full function keyboard similar to
the TC8550A keyboard except it utilizes RS-232
protocol for data communication.
capability of remotely locating an Allegiant keyboard
over a conventional RS-232 transmission medium
such as phoneline modems, fiber optics, etc.
Requires a full duplex RS-232 link capable of
operating at 9600 baud. All other specifications are
the same as TC8553 keyboards. The TC8553-232
keyboards connect to the Allegiant's main CPU bay
via a TC8712A Series Console Port Expander. Up to
four TC8553-232 keyboards may be connected to a
single TC8712A Series unit. When used with dial-up
type phoneline modems, the TC8553-232 keyboard
provides a rudimentary dialing capability.
TC8557MK Keyboard Racking Kit
and
TC8800
systems,
four
directional
oriented,
It provides the
Rack mounting kit designed to provide vertical,
horizontal or 30° inclined mounting for TC8550A,
TC8551A, or TC8553 keyboards.
TC8557HL Keyboard
Extension Cable
Six conductor extension cable carries data/power for
remote TC8550A, TC8551A, or TC8553 keyboards
up to 30 meters (100 feet) away from main CPU bay.
TC8557HR Series Keyboard
Extension Kits
Interface kit used to remote TC8550A, TC8551A, or
TC8553 keyboards up to 1.6 km (5000 feet) away
from main CPU bay. Customer supplied 24 gage
shielded-twisted pair (Belden 9841 or equivalent)
required between main CPU bay site and keyboard
site. Kit provides two junction boxes, interface cable,
and appropriate keyboard power supply.
TC8568 Signal Distribution Unit
Main site control code distribution and line driver unit
for communicating to Receiver/Drivers, Switcher
Followers, and satellite systems. Provides 32
separate outputs for driving up to 256 remote
devices. Either "star" or "daisy chain" wiring
configurations may be used.
TC8768 Signal Distribution Unit
Same features and specifications as the TC8568
except that it contains twice the number of output
connectors which provide 64 separate outputs for
driving up to 512 remote devices.
TC8540C Series Alarm
Interface Units
Alarm gathering unit which accepts up to 64 dry
contact closures or logic level inputs from remote
sensing devices such as door contacts, PIRs, etc.
and then reports the 'alarm' information to the main
CPU bay. Alarm inputs may be configured in groups
of 32 to accept either normally open or normally
closed contacts. The TC8540C provides eight relay
outputs which can be used to drive external alerting
devices or VCRs.
TC8560, TC8561A,
TC8563, & TC8564A Series
Receiver/Driver Units
10
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